Improvements in or relating to heat exchange devices,申请号GB19450015690-传众专利搜索

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发明名称	Improvements in or relating to heat exchange devices
摘要
申请公布号	GB610819(A)	申请公布日期	1948.10.21
申请号	GB19450015690	申请日期	1945.06.20
申请人	NIAGARA BLOWER COMPANY	发明人
分类号	B23Q11/14;F28D1/047	主分类号	B23Q11/14
代理机构		代理人
主权项
地址

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